Frequencies for first 10,000 rows of drugid17 variable in nhamcsed2015 dataset 

    Drug ID |
   code for |
 medication |
        #17 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,949       99.49       99.49
     a11715 |          1        0.01       99.50
     a52885 |          1        0.01       99.51
     a54655 |          1        0.01       99.52
     a55115 |          1        0.01       99.53
     a57024 |          1        0.01       99.54
     d00015 |          1        0.01       99.55
     d00059 |          1        0.01       99.56
     d00095 |          1        0.01       99.57
     d00134 |          2        0.02       99.59
     d00139 |          1        0.01       99.60
     d00206 |          1        0.01       99.61
     d00224 |          1        0.01       99.62
     d00255 |          1        0.01       99.63
     d00308 |          1        0.01       99.64
     d00321 |          1        0.01       99.65
     d00350 |          1        0.01       99.66
     d00373 |          1        0.01       99.67
     d00438 |          2        0.02       99.69
     d00497 |          1        0.01       99.70
     d00563 |          1        0.01       99.71
     d00746 |          2        0.02       99.73
     d00749 |          2        0.02       99.75
     d00910 |          1        0.01       99.76
     d01002 |          1        0.01       99.77
     d01013 |          1        0.01       99.78
     d03165 |          1        0.01       99.79
     d03496 |          1        0.01       99.80
     d03600 |          1        0.01       99.81
     d03807 |          1        0.01       99.82
     d03826 |          1        0.01       99.83
     d03833 |          1        0.01       99.84
     d04025 |          1        0.01       99.85
     d04058 |          1        0.01       99.86
     d04109 |          2        0.02       99.88
     d04258 |          1        0.01       99.89
     d04513 |          1        0.01       99.90
     d04514 |          3        0.03       99.93
     d04611 |          1        0.01       99.94
     d04697 |          2        0.02       99.96
     d04749 |          1        0.01       99.97
     d05350 |          1        0.01       99.98
     d06860 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017